Installing 3813 headboard coupler car assembly, Halyard attachment hole, Coupler attachment hole – Harken 3813 System AA Battcar User Manual
Page 17
3814
A
E
D
3813
A
D
E
3816
D
C
B
A
E
F
Installing 3813 Headboard Coupler Car Assembly
3813 headboard coupler attaches to standard headboards—some headboard modification required.
Maximum thickness of headboard plates and sail: 9/16" (14 mm)
Halyard Attachment Hole
Use aft hole if headboard has two.
If not, drill second hole to accept halyard
shackle pin. Locate hole approximately
63.5 mm (2 1/2") aft of existing hole.
Coupler Attachment Hole
Drill 11 mm (7/16") coupler attachment hole so
center is 101 mm (4") from top of headboard
and 25 mm (1") from front edge of boltrope.
Leave at least 9 mm between front of headboard
plate and front edge of coupler attachment hole.
Dimensions
3815
A
E
D
B
C
B
B
Sailmaker's Instructions – CB System (Slug Mount/Drill & Tap) Dimensions/Installing Headboard Coupler Car
Part
No.
A
B
C
D
E
Locknut Size
mm
F
Stud Size
mm
in
mm
in
mm
in
mm
in
mm
3813
5
3
/
16
132
1
25
1
13
/
16
46
2
3
/
4
70
5
—
3814
1
3
/
4
44
1
25
—
—
3
/
4
19
5
—
3815
2
3
/
16
56
1
25
—
—
3
/
4
19
5
—
3816*
2
3
/
16
561
1
25
1
3
/4
45
3
5
/
16
84
5
10
*Batten receptacle not included
System AA (CB)
17